#15424B#15424B

#15424B is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.3% C 0.050 H 213.3°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#15424B
RGB	rgb(21, 66, 75)
HSL	hsl(190, 56%, 19%)
HSV	hsv(190, 72%, 29%)
CMYK	cmyk(72%, 12%, 0%, 70.6%)
CIE-LAB	lab(25.45, -11.91, -9.96)
CIE-LCH	lch(25.45, 15.53, 219.93°)
OKLab	oklab(35.27% -0.0422 -0.0277)
OKLCH	oklch(35.27% 0.05 213.3)
XYZ	xyz(3.5269, 4.5635, 7.3502)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15424B #4B1E15

analogous

#154B39 #15424B #15274B

triadic

#15424B #4B1542 #424B15

tetradic

#15424B #39154B #4B1E15 #274B15

square

#15424B #39154B #4B1E15 #274B15

split-complementary

#15424B #4B1527 #4B3915

monochromatic

#071518 #08181B #15424B #226C7B #3096AB

Accessibility & contrast

On white

10.98

#15424B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#15424B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15424B

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15424B	#FFFFFF	#000000	##FFFFFF
##15424B	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B404C

Deuteranopia (green-blind)

#333A4B

Tritanopia (blue-blind)

#004645

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #15424b;
/* rgb */ color: rgb(21, 66, 75);
/* oklch */ color: oklch(35.3% 0.050 213.3);

Tailwind

colors: {
  custom: {
    50: '#5a767d',
    500: '#15424b',
    950: '#000000',
  },
}

SCSS

$custom: #15424b;
$custom-light: #5a767d;
$custom-dark: #000000;

JSON

{
  "hex": "#15424b",
  "rgb": {
    "r": 21,
    "g": 66,
    "b": 75
  },
  "hsl": {
    "h": 190,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.35268,
    "c": 0.05047,
    "h": 213.3
  },
  "luminance": 0.04564
}

Semantic roles & 50–950 ramp

primary

#15424B

secondary

#834539

accent

#6148E0

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #15424B

Body copy rendered with the generated semantic roles for this colour.

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